The File Cannot Be Uploaded Due to a Header Error
How to Fix the 'Preview Could Not Be Loaded' Error
- Final updated on February 28, 2022
Are y'all seeing an error when yous attempt to apply Elementor that states: 'Preview could not exist loaded'? This is one of the about common errors on Elementor, and normally, it is quite easy to fix.
This happens when the preview of the page is non available.
The fault will endeavor to give more data if possible. For case in the image below, it says "Preview Debug". The "preview debug" selection enables the user to verify that at that place is no redirect on the page.
Elementor tin observe in some cases the exact issue:
- No Theme: Some of your theme files are missing.
- Corrupted .htaccess: 'Your site's .htaccess file appears to be missing.'
- HTTP Errors: format is <fault code> < error message> content depends on the code.
When it is not possible to give whatever other information, utilize the steps below in this article, to see how y'all can chop-chop fix this issue and become back to designing your website with Elementor.
Notation: If this message is received on a WooCommerce template or an archive page, such as the Web log page, this is normal and in this case, please apply the WooCommerce Builder or the Theme Builder instead of trying to directly edit these pages.
If y'all receive the fault message "the preview could not be loaded", try the following:
- Enable Safe Style.Follow the procedures outlined in What is Safe Mode?
- Make certain the theme files exist. If no theme is available, become ahead and install or re-install a theme.
- Make certain that the Site Accost (URL) is the same as the WordPress Address (URL): Sometimes, if your URL in the back-terminate is dissimilar than the ane in the front-end it can cause loading issues, These URLs tin be checked in "Settings > General". For more information, visit this link.
- Bank check the structure of your permalinks and re-save the settings. When using pretty permalinks, a web server (Apache, Nginx, LightSpeed, Microsoft IIS, etc.) should be configured in a certain mode. Please contact your hosting provider and ask them to configure your spider web server according to this WordPress support article: Using Permalinks.
- Edit in incognito fashion with your browser. This rules out an outcome with an add-on or with the browser cache. In Chrome, at the tiptop right, click 'More than' and so 'New Incognito Window'. A new window appears. In the top corner, check for the Incognito icon indicating you are in fact in incognito mode. Now, navigate back to Elementor and see if the error persists. Yous should also make sure no add-ons are working in incognito mode and perhaps endeavor a different browser altogether.
- Solve Rocket Loader issue. Elementor and Cloudflare integrate smoothly with each other. Though there is an outcome with Rocket Loader. Click for the solution
- Verify that you do not have a redirect on the folio. Yous can run into if it is the case past hitting the "debug preview" button.
- If the index.php file has been renamed or if its contents includes anything else other than the WordPress requirement, this will also result in this fault.
- Solve hosting problems. Although this situation is very rare, please verify with your host provider if your WordPress install includes the .htaccess file. If your .htaccess file is missing, check out this link to regenerate. Also, check with your hosting visitor if your server erases the PHP $_GET variable.
- HTTP Errors. Possible solutions for each type of HTTP Error listed beneath:
If you are receiving 403 errors, check the post-obit:
- You may have a decadent .htaccess file. Download your current .htaccess file to save as a backup. And then delete it from your server. Visit your site and a new default .htaccess file volition automatically be generated. If this solves your problem, expect at the .htaccess file you lot downloaded to determine if at that place is whatsoever code within it that needs to be corrected.
- Your file permissions may not be correct. Inquire your host to bank check that your WordPress directories and files have the right permissions.,
- This tin can exist due to a security plugin. To sort this out, activate the learning style of the plugin or contact their back up.
- This issue can also be due to the firewall of your server, such every bit mod_security, so this has to be checked with your hosting company.
- Another plugin may be causing a disharmonize. Deactivate all plugins except Elementor. If the trouble clears upwards, you know that another plugin is the problem. Reactivate each plugin, one at a time, testing your site with each reactivation. Keep testing until y'all find the plugin that is causing the failure. Arrive bear upon with that plugin's developers to asking assist or use another plugin with similar functionality.
If you are receiving 401 errors, you are attempting to access a page that requires authentication. If the page shouldn't be asking for hallmark, contact your host for aid in removing the authentication requirement or bank check any security plugins you may be using for options to turn this off.
If you are receiving 500 errors, click hither for the debug procedure.
If you are non able to solve the issue following any of these steps, we suggest you raise the issue in the Elementor Community.
If y'all take our Pro version, you can send usa your website login details and our support team will try to pinpoint the cause and fix it.
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Source: https://elementor.com/help/how-to-fix-the-preview-could-not-be-loaded-error/
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